X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fstropts.c;h=9d82bb141d37fbea3052c5ee02b0c5eb9cc6d75f;hp=e277b3d22ac791186c84f6cba11efa80ccae0cde;hb=ae548c2d55e442c96ad51e90c1e00ce3eb0b718b;hpb=6e3fa0e103a494a37cf3a4f9199516923928ab31

diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index e277b3d..9d82bb1 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -130,12 +130,14 @@ static int nfs_append_generic_address_option(const struct sockaddr *sap,
 {
 	char address[NI_MAXHOST];
 	char new_option[512];
+	int len;
 
 	if (!nfs_present_sockaddr(sap, salen, address, sizeof(address)))
 		goto out_err;
 
-	if (snprintf(new_option, sizeof(new_option), "%s=%s",
-					keyword, address) >= sizeof(new_option))
+	len = snprintf(new_option, sizeof(new_option), "%s=%s",
+						keyword, address);
+	if (len < 0 || (size_t)len >= sizeof(new_option))
 		goto out_err;
 
 	if (po_append(options, new_option) != PO_SUCCEEDED)